Who discovered Evolution of stars?

How to launch a spaceship in civilization IV? How much glowing gases does the sun have? Where does the word pneumocrania come from? Who took the first astronomical photographs of the moon? Is northern star next to the moon if not then where is the northern star located by stars or away from them? How long would it take to travel 78900000000000000 miles in space? How does Zeus answer Helios request? What was the destination of the Apollo flight? Why don't ballpoint pens work in space? What type of moon was it yesterday? Are Most robots are working in space? Where is this Kenau Reeves line from you saw death rising from the Earth from the ground itself in one blue field? Does the moon produce gravitational force on the earth? Most common elements in space? What is the barometric pressure at 5000 ft above sea level? Who to become member of NASA kids? How will a rockets weight change from the moon to the earth during the journey? What is the second biggest country in the western hemisphere? What was the goal of Apollo 9? Where is Orion?

Who discovered Evolution of stars?